content area top Part 1 The following appear on a physician's intake form. Identify the level of measurement of the data. left parenthesis a right parenthesis nbsp(a) Time since last visitTime since last visit left parenthesis b right parenthesis(b) Year of birthYear of birth left parenthesis c right parenthesis(c) Happiness level left parenthesis scale of 0 to 10 right parenthesisHappiness level (scale of 0 to 10) left parenthesis d right parenthesis nbsp(d) AllergiesAllergies Question content area bottom Part 1 (a) What is the level of measurement for "Time since last visitTime since last visit"? Interval IntervalInterval Ordinal OrdinalOrdinal Ratio RatioRatio Nominal NominalNominal